Finding the Fourth Proportional to 12,229.82, 16,877.61 and 7,515.62

Step by Step Solution

1. Step 1: Write the proportion equation
   12,229.82 : 16,877.61 = 7,515.62 : x
2. Step 2: Convert to fraction form
   12,229.82/16,877.61 = 7,515.62/x
3. Step 3: Cross multiply
   12,229.82x = 16,877.61 × 7,515.62
4. Step 4: Simplify right side
   12,229.82x = 126,845,703.27
5. Step 5: Solve for x
   x = 126,845,703.27/12,229.82
6. Step 6: Final answer
   x = 10,371.84